D - Textiles – Paper – 21 – C
Patent
D - Textiles, Paper
21
C
9/36.3
D21C 11/12 (2006.01) D21C 11/04 (2006.01)
Patent
CA 1124016
CATALYZING REDUCTION IN A KRAFT RECOVERY BOILER Abstract A pulping process wherein iron rich green-liquor dregs are added to black-liquor in advance of a recovery furnace. The iron rich dregs serve as a readily available catalyst that increases the reduction of inactive sodium sulfate into active sodium sulfide to enhance the efficiency of the pulping process. C780140
327279
Combustion Engineering Inc.
Smart & Biggar
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